package com.sky.mapper;


import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.Map;

@Mapper
public interface UserMapper {

    // 查询指定用户名id的用户
    @Select("select * from user where openid = #{openid}")
    User getByOpenid(String openid);

    // 插入数据
    void insert(User user);


    // 查询指定用户id的用户
    @Select("select * from user where id = #{userId}")
    User getById(Long userId);



    // 统计指定时间段用户数量
    Integer sumMap(Map map);
}
